app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   include EmailMethods
   3   include SessionMethods
   4   include UserMethods
   5   include PaginationMethods
   6
   7   layout "site"
   8
   9   skip_before_action :verify_authenticity_token, :only => [:auth_success]
  10   before_action :disable_terms_redirect, :only => [:terms, :save]
  11   before_action :authorize_web
  12   before_action :set_locale
  13   before_action :check_database_readable
  14
  15   authorize_resource
  16
  17   before_action :check_database_writable, :only => [:new, :go_public]
  18   before_action :require_cookies, :only => [:new]
  19   before_action :lookup_user_by_name, :only => [:set_status, :destroy]
  20   before_action :allow_thirdparty_images, :only => [:show]
  21
  22   ##
  23   # display a list of users matching specified criteria
  24   def index
  25     if request.post?
  26       ids = params[:user].keys.collect(&:to_i)
  27
  28       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
  29       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
  30
  31       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
  32     else
  33       @params = params.permit(:status, :ip, :before, :after)
  34
  35       users = User.all
  36       users = users.where(:status => @params[:status]) if @params[:status]
  37       users = users.where(:creation_ip => @params[:ip]) if @params[:ip]
  38
  39       @users_count = users.count
  40       @users, @newer_users_id, @older_users_id = get_page_items(users, :limit => 50)
  41     end
  42   end
  43
  44   def show
  45     @user = User.find_by(:display_name => params[:display_name])
  46
  47     if @user &&
  48        (@user.visible? || current_user&.administrator?)
  49       @title = @user.display_name
  50     else
  51       render_unknown_user params[:display_name]
  52     end
  53   end
  54
  55   def new
  56     @title = t ".title"
  57     @referer = if params[:referer]
  58                  safe_referer(params[:referer])
  59                else
  60                  session[:referer]
  61                end
  62
  63     parse_oauth_referer @referer
  64
  65     append_content_security_policy_directives(
  66       :form_action => %w[accounts.google.com *.facebook.com login.microsoftonline.com github.com meta.wikimedia.org]
  67     )
  68
  69     if current_user
  70       # The user is logged in already, so don't show them the signup
  71       # page, instead send them to the home page
  72       redirect_to @referer || { :controller => "site", :action => "index" }
  73     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  74       @email_hmac = params[:email_hmac]
  75
  76       self.current_user = User.new(:email => params[:email],
  77                                    :display_name => params[:nickname],
  78                                    :auth_provider => params[:auth_provider],
  79                                    :auth_uid => params[:auth_uid])
  80
  81       if current_user.valid? || current_user.errors[:email].empty?
  82         flash.now[:notice] = render_to_string :partial => "auth_association"
  83       else
  84         flash.now[:warning] = t ".duplicate_social_email"
  85       end
  86     else
  87       check_signup_allowed
  88
  89       self.current_user = User.new
  90     end
  91   end
  92
  93   def create
  94     self.current_user = User.new(user_params)
  95
  96     if check_signup_allowed(current_user.email)
  97       session[:referer] = safe_referer(params[:referer]) if params[:referer]
  98
  99       Rails.logger.info "create: #{session[:referer]}"
 100
 101       if current_user.auth_uid.present?
 102         # We are creating an account with external authentication and
 103         # no password was specified so create a random one
 104         current_user.pass_crypt = SecureRandom.base64(16)
 105         current_user.pass_crypt_confirmation = current_user.pass_crypt
 106       end
 107
 108       if current_user.invalid?
 109         # Something is wrong with a new user, so rerender the form
 110         render :action => "new"
 111       elsif current_user.auth_provider.present?
 112         # Verify external authenticator before moving on
 113         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 114         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
 115       else
 116         # Save the user record
 117         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 118         save_new_user params[:email_hmac]
 119       end
 120     end
 121   end
 122
 123   ##
 124   # destroy a user, marking them as deleted and removing personal data
 125   def destroy
 126     @user.soft_destroy!
 127     redirect_to user_path(:display_name => params[:display_name])
 128   end
 129
 130   def terms
 131     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
 132     @text = OSM.legal_text_for_country(@legale)
 133
 134     if request.xhr?
 135       render :partial => "terms"
 136     else
 137       @title = t ".title"
 138
 139       if current_user&.terms_agreed?
 140         # Already agreed to terms, so just show settings
 141         redirect_to edit_account_path
 142       elsif current_user.nil?
 143         redirect_to login_path(:referer => request.fullpath)
 144       end
 145     end
 146   end
 147
 148   def save
 149     @title = t "users.new.title"
 150
 151     if params[:decline] || !(params[:read_tou] && params[:read_ct])
 152       if current_user
 153         current_user.terms_seen = true
 154
 155         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
 156
 157         referer = safe_referer(params[:referer]) if params[:referer]
 158
 159         redirect_to referer || edit_account_path
 160       elsif params[:decline]
 161         redirect_to t("users.terms.declined"), :allow_other_host => true
 162       else
 163         redirect_to :action => :terms
 164       end
 165     elsif current_user
 166       unless current_user.terms_agreed?
 167         current_user.consider_pd = params[:user][:consider_pd]
 168         current_user.tou_agreed = Time.now.utc
 169         current_user.terms_agreed = Time.now.utc
 170         current_user.terms_seen = true
 171
 172         flash[:notice] = t "users.new.terms accepted" if current_user.save
 173       end
 174
 175       referer = safe_referer(params[:referer]) if params[:referer]
 176
 177       redirect_to referer || edit_account_path
 178     end
 179   end
 180
 181   def go_public
 182     current_user.data_public = true
 183     current_user.save
 184     flash[:notice] = t ".flash success"
 185     redirect_to edit_account_path
 186   end
 187
 188   ##
 189   # sets a user's status
 190   def set_status
 191     @user.activate! if params[:event] == "activate"
 192     @user.confirm! if params[:event] == "confirm"
 193     @user.unconfirm! if params[:event] == "unconfirm"
 194     @user.hide! if params[:event] == "hide"
 195     @user.unhide! if params[:event] == "unhide"
 196     @user.unsuspend! if params[:event] == "unsuspend"
 197     redirect_to user_path(:display_name => params[:display_name])
 198   end
 199
 200   ##
 201   # omniauth success callback
 202   def auth_success
 203     auth_info = request.env["omniauth.auth"]
 204
 205     provider = auth_info[:provider]
 206     uid = auth_info[:uid]
 207     name = auth_info[:info][:name]
 208     email = auth_info[:info][:email]
 209
 210     email_verified = case provider
 211                      when "openid"
 212                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 213                        uid.match(%r{https://me.yahoo.com/(.*)})
 214                      when "google", "facebook", "microsoft", "github", "wikipedia"
 215                        true
 216                      else
 217                        false
 218                      end
 219
 220     if settings = session.delete(:new_user_settings)
 221       current_user.auth_provider = provider
 222       current_user.auth_uid = uid
 223
 224       update_user(current_user, settings)
 225
 226       flash.discard
 227
 228       session[:user_errors] = current_user.errors.as_json
 229
 230       redirect_to edit_account_path
 231     elsif session[:new_user]
 232       session[:new_user]["auth_provider"] = provider
 233       session[:new_user]["auth_uid"] = uid
 234
 235       email_hmac = UsersController.message_hmac(email) if email_verified && email
 236       save_new_user email_hmac
 237     else
 238       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 239
 240       if user.nil? && provider == "google"
 241         openid_url = auth_info[:extra][:id_info]["openid_id"]
 242         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 243         user&.update(:auth_provider => provider, :auth_uid => uid)
 244       end
 245
 246       if user
 247         case user.status
 248         when "pending"
 249           unconfirmed_login(user)
 250         when "active", "confirmed"
 251           successful_login(user, request.env["omniauth.params"]["referer"])
 252         when "suspended"
 253           failed_login({ :partial => "sessions/suspended_flash" })
 254         else
 255           failed_login t("sessions.new.auth failure")
 256         end
 257       else
 258         email_hmac = UsersController.message_hmac(email) if email_verified && email
 259         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 260                     :auth_provider => provider, :auth_uid => uid
 261       end
 262     end
 263   end
 264
 265   ##
 266   # omniauth failure callback
 267   def auth_failure
 268     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 269
 270     origin = safe_referer(params[:origin]) if params[:origin]
 271
 272     redirect_to origin || login_url
 273   end
 274
 275   def self.message_hmac(text)
 276     sha256 = Digest::SHA256.new
 277     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 278     sha256 << text
 279     Base64.urlsafe_encode64(sha256.digest)
 280   end
 281
 282   private
 283
 284   def save_new_user(email_hmac)
 285     new_user = session.delete(:new_user)
 286     self.current_user = User.new(new_user)
 287     if check_signup_allowed(current_user.email)
 288       current_user.data_public = true
 289       current_user.description = "" if current_user.description.nil?
 290       current_user.creation_ip = request.remote_ip
 291       current_user.languages = http_accept_language.user_preferred_languages
 292       current_user.terms_agreed = Time.now.utc
 293       current_user.tou_agreed = Time.now.utc
 294       current_user.terms_seen = true
 295
 296       if current_user.auth_uid.blank?
 297         current_user.auth_provider = nil
 298         current_user.auth_uid = nil
 299       elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 300         current_user.activate
 301       end
 302
 303       if current_user.save
 304         SIGNUP_IP_LIMITER&.update(request.remote_ip)
 305         SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 306
 307         flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 308
 309         referer = welcome_path(welcome_options)
 310
 311         if current_user.status == "active"
 312           session[:referer] = referer
 313           successful_login(current_user)
 314         else
 315           session[:pending_user] = current_user.id
 316           UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 317           redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 318         end
 319       else
 320         render :action => "new", :referer => params[:referer]
 321       end
 322     end
 323   end
 324
 325   def welcome_options
 326     uri = URI(session[:referer]) if session[:referer].present?
 327
 328     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 329
 330     begin
 331       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 332         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 333         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 334       end
 335     rescue StandardError
 336       # Use default
 337     end
 338   end
 339
 340   ##
 341   # ensure that there is a "user" instance variable
 342   def lookup_user_by_name
 343     @user = User.find_by(:display_name => params[:display_name])
 344   rescue ActiveRecord::RecordNotFound
 345     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 346   end
 347
 348   ##
 349   # return permitted user parameters
 350   def user_params
 351     params.require(:user).permit(:email, :display_name,
 352                                  :auth_provider, :auth_uid,
 353                                  :pass_crypt, :pass_crypt_confirmation,
 354                                  :consider_pd)
 355   end
 356
 357   ##
 358   # check signup acls
 359   def check_signup_allowed(email = nil)
 360     domain = if email.nil?
 361                nil
 362              else
 363                email.split("@").last
 364              end
 365
 366     mx_servers = if domain.nil?
 367                    nil
 368                  else
 369                    domain_mx_servers(domain)
 370                  end
 371
 372     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 373
 374     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 375
 376     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 377
 378     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 379
 380     if blocked
 381       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 382
 383       render :action => "blocked"
 384     end
 385
 386     !blocked
 387   end
 388 end